The document is a lesson plan for lesson 4 on integers. It includes warm up problems, definitions of integers and the number line, example problems showing addition and subtraction of integers using number lines, arranging integers in order, comparing integer expressions, simplifying integer subtraction, and finding subsequent terms in integer sequences. The lesson plan is for an assignment on set 5 odd problems due on August 29th.

1. lesson 4.notebook August 27, 2012
Assignment:
1-->Set 5 (odds) - Due Wednesday (8/29)
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2. lesson 4.notebook August 27, 2012
Lesson 4 Warm-Up
1) If one addend is 7 and the sum is 21, what is the other addend?
Evaluate each expression for a = 36 and b = 9
2) a
b
3) ab
Which property is shown by the following equations?
4) 3 + 6 = 6 + 3
5) 7 + (8 + 9) = (7 + 8) + 9
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3. lesson 4.notebook August 27, 2012
Lesson 4:
*Number line: Origin
­5 ­4 ­3 ­2 ­1 0 1 2 3 4 5
Negatives Positives
Integers - the Positives,
the Negatives, and Zero
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4. lesson 4.notebook August 27, 2012
Examples (Lesson 4)
Use a number line and arrows to show the addition or
subtraction.
A) 4 + 2
B) 4 - 2
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5. lesson 4.notebook August 27, 2012
C) 2 - 4
D) Arrange these numbers in order from least to greatest:
0, -1, -3, -2
E) Compare: 3 - 4 4 - 3
F) Compare: 2 x 2 2 + 2
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6. lesson 4.notebook August 27, 2012
G) Simplify: 436 - 630
What are the next 3 numbers in the following sequences:
H) ...3, 2, 1, 0, -1...
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7. lesson 4.notebook August 27, 2012
I) 1, 4, 9, 16, 25, 36, 49...
J) 1, 2, 4, 8...
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